“Bring your own device is a term which refers to when employees use their personal computing devices (typically smart phones and tablets) in the workplace. Permitting devices which you do not have sufficient control over to connect to the corporate IT systems can introduce a range of security vulnerabilities and other data protection concerns if not correctly managed. This guidance explores what you need to consider if permitting the use of personal devices to process personal data for which you are responsible. Bring your own device guidance (pdf).”